8533: Electrical resistors and rheostats except for heating

853310: Electrical resistors, fixed carbon 853321: Electrical resistors fixed, power capacity < 20 watt 853329: Electrical resistors, fixed, except heating, > 20 wat 853331: Wirewound variable resistors, rheostats, etc, <20 wat 853339: Wirewound variable resistors, rheostats, etc > 20 wat 853340: Variable resistors, rheostats and potentiometers, nes 853390: Parts of electrical resistors, rheostats, etc 8533: Electrical resistors and rheostats except for heating